Optimistically, the web is like 1970s NYC
Which is to say, it's a place where creativity flourishes amidst disorder. But pessimistically, it's a failed state, where no central government means crime goes unpunished and key services (trash, spam) aren't attended to.
Here are five futures for the web. The most likely are Balkanisation and the status quo, but range all the way to "cybergeddon," where hacking methods permanently outstrip security protocols.